* Made the BToolTip interface a bit more convenient to use when subclassing it.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32249 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/interface/ToolTip.h

@@ -34,6 +34,13 @@ public:
 	virtual void				SetAlignment(BAlignment alignment);
 			BAlignment			Alignment() const;
 
+	virtual	void				AttachedToWindow();
+	virtual void				DetachedFromWindow();
+
+protected:
+			bool				Lock();
+			void				Unlock();
+
 private:
 								BToolTip(const BToolTip& other);
 			BToolTip&			operator=(const BToolTip &other);
@@ -41,6 +48,7 @@ private:
 			void				_InitData();
 
 private:
+			bool				fLockedLooper;
 			bool				fIsSticky;
 			BPoint				fRelativeLocation;
 			BAlignment			fAlignment;

src/kits/interface/ToolTip.cpp

@@ -91,6 +91,50 @@ BToolTip::Alignment() const
 }
 
 
+void
+BToolTip::AttachedToWindow()
+{
+}
+
+
+void
+BToolTip::DetachedFromWindow()
+{
+}
+
+
+bool
+BToolTip::Lock()
+{
+	bool lockedLooper;
+	while (true) {
+		lockedLooper = View()->LockLooper();
+		if (!lockedLooper) {
+			BToolTipManager::Lock();
+
+			if (View()->Window() != NULL) {
+				BToolTipManager::Unlock();
+				continue;
+			}
+		}
+		break;
+	}
+
+	fLockedLooper = lockedLooper;
+	return true;
+}
+
+
+void
+BToolTip::Unlock()
+{
+	if (fLockedLooper)
+		View()->UnlockLooper();
+	else
+		BToolTipManager::Unlock();
+}
+
+
 void
 BToolTip::_InitData()
 {
@@ -158,26 +202,12 @@ BTextToolTip::Text() const
 void
 BTextToolTip::SetText(const char* text)
 {
-	bool lockedLooper;
-	while (true) {
-		lockedLooper = fTextView->LockLooper();
-		if (!lockedLooper) {
-			BToolTipManager::Lock();
-
-			if (fTextView->Window() != NULL) {
-				BToolTipManager::Unlock();
-				continue;
-			}
-		}
-		break;
-	}
+	if (!Lock())
+		return;
 
 	fTextView->SetText(text);
 
-	if (lockedLooper)
-		fTextView->UnlockLooper();
-	else
-		BToolTipManager::Unlock();
+	Unlock();
 }
 
 

src/kits/interface/ToolTipManager.cpp

@@ -52,6 +52,7 @@ public:
 	virtual void AttachedToWindow()
 	{
 		SetEventMask(B_POINTER_EVENTS, 0);
+		fToolTip->AttachedToWindow();
 	}
 
 	virtual void DetachedFromWindow()
@@ -60,6 +61,7 @@ public:
 
 		RemoveChild(fToolTip->View());
 			// don't delete this one!
+		fToolTip->DetachedFromWindow();
 
 		BToolTipManager::Unlock();
 	}